Answer Question 4 (a) - (e) based on information given below X2t Х 2 12 4 4 8. 6. 6. 10 8 3 14 10 -1 16 12 -5 20 14 -7 22 16 -8 a. Estimate the three multiple regreesion coefficients b. Estimate their variances and standard errors c. Obtain R2 and R¯2| d. Test the statistical significance of each estimated regressions coefficient using α= 5% (two-tail ) e. Test at a = 5% that all partial slope coefficients are equal to zero.

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